food security challenges essay

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Exploration of Food Security Challenges towards More Sustainable Food Production: A Systematic Literature Review of the Major Drivers and Policies

Sabreen wahbeh.

1 Faculty of Business, University of Wollongong in Dubai, Dubai 20183, United Arab Emirates

Foivos Anastasiadis

2 Department of Agribusiness and Supply Chain Management, Agricultural University of Athens, 11855 Athens, Greece

Balan Sundarakani

Ioannis manikas, associated data.

Not applicable.

Food security is a central priority for international policy as one of the world’s most significantly urgent targets to achieve. It is considered one of the most pressing issues in many countries, the degree of food security representing the level of self-sufficiency and well-being of citizens. In particular, in the current COVID-19 pandemic era, it has more than ever become a mission-critical goal. In this research, we report on the food security drivers and the current state of recommended policies addressing chronic food insecurity aimed at ensuring the sustainability of future food production. Mapping the determinants of food security contributes to a better understanding of the issue and aids in the development of appropriate food security policies and strategies to enhance the sustainability of food production in all facets; namely environmental, social, and economic. Adopting the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) data screening and selection guidelines and standards, we carried out a comprehensive, reliable, systematic, and rigorous review of research from the last ten years in order to identify the most frequently mentioned drivers and policies of food security in the literature available in two databases: Scopus and Web of Science (WOS). The number of extracted articles was 141 papers in total. An analysis revealed 34 drivers of food security and 17 most recommended policies for the mitigation of food insecurity. The existence of food loss and waste (FLW) policies was the primary driver of food security, followed by food security policies (FSP) in their different forms. However, FSP were the most recommended policies, followed by FLW policies. The identified food security drivers and recommended policies should be used by policy-makers to improve food security, thus contributing to sustainable food production. Our research findings, reflected in the latest version of the Global Food Security Index (GFSI), resulted in more tangible policy implications, suggesting the addition of two dimensions regarding food security. We also identified elements not listed under the GFSI that could be considered in its future revision, including environmental policies/indicators, consumer representation, and traceability throughout the entire supply chain. Overall, it can be concluded that food security is a complicated and multi-faceted issue that cannot be restricted to a single variable, necessitating the deeper integration of various multi-disciplinary interventions.

1. Introduction

Food security (FS) is “a situation that exists when all people, at all times, have physical, social and economic access to sufficient, safe and nutritious food that meets their dietary needs and food preferences for an active and healthy life” [ 1 ] p.3. It is a significant priority for international policy [ 2 ], and has been perceived as being among the key challenges worldwide [ 3 ] as it represents a country’s degree of self-sufficiency and the well-being of its citizens [ 4 ]. Securing a nation’s self-sufficiency has become a top priority in the context of the current COVID-19 global epidemic era, even more so than earlier [ 5 ]. Economic expansion, rising incomes, urbanization, and growing population are driving up the demand for food, as people adopt more diverse and resource-intensive dietary habits [ 2 , 6 ]. The world’s current population is steadily increasing, placing significant pressure on the available natural resources to feed the growing population [ 7 , 8 , 9 ]; however, this dramatic growth in the global population is anticipated mainly in developing countries, which already suffer from devastating hunger and food insecurity [ 7 ]. One of the biggest obstacles to ensuring global food security is the need to roughly double food production within the coming few decades, particularly in the context of the developing world’s rapidly increasing demand [ 10 , 11 ]. The natural resources such as land, water, energy, and other resources used in food production are all subject to increasing competition [ 12 , 13 ]. Climate change poses difficulties for agricultural production [ 14 ], mainly in developing nations, while some existing farming practices harm the environment and contribute significantly to greenhouse gas emissions (GHG) [ 15 , 16 ]. There is a real danger that less developed countries may be forced to reverse direction. The FAO’s statistics on world hunger in 2009 showed a dramatic rise to 1.023 billion people, demonstrating precisely such a situation. When commodity prices fell the following year, this number dropped to 925 million, which was still more prominent than in 2007 (i.e., before the price spike) [ 17 ]. According to recent data published by the Global Hunger Index, the number of malnourished people grew from 785 million in 2015 to 822 million in 2018. Moreover, 43 out of 117 countries reported extreme hunger [ 18 ]. Approximately 20% of developing countries lack the resources and physical access necessary to provide their citizens with the most basic food. Children in developing countries face vitamin and nutritional deficiencies and being underweight, which puts them at risk for various sicknesses due to food insecurity [ 12 ]. National and global imbalances brought on by food insecurity are expected to worsen human suffering and make it harder for people to survive [ 12 ]. Despite the efforts of multiple global organizations such as the FAO and the UN, the problem of food insecurity is worsening [ 19 ], which means that more effective and sustainable solutions must be provided to ensure the alleviation of food insecurity and the sustainability of food production. Hence, policy-makers must understand that in a world that is becoming more globalized, food insecurity in one region could have significant political, economic, and environmental impacts elsewhere [ 2 ].

Throughout the twentieth century, policy-makers used the concept of food security as a key notion in formulating food-related policies [ 17 ]. Lang and Barling [ 17 ] have proposed two main schools of thought on food security: the first focused on increased production as the primary solution to under-consumption and hunger, while the second is a newer one that is more socially and environmentally conscious and accepts the need to address a wide range of issues, not just production. The former is primarily concerned with agriculture, while the latter is concerned with food systems. One approach to solve the food security challenge is to intensify agricultural production in ways that impose much less environmental stress and do not jeopardize our long-term ability to continue producing food [ 2 ]. The above sustainable intensification strategy comprises a policy agenda for several governments worldwide, but has also drawn criticism for being overly production-focused or incoherent [ 2 ]. The central mission of the twenty-first century is to establish a sustainable food system, which calls for a more concrete policy framework than that which is currently in place [ 17 ]. This mission has been disrupted by competing solutions for policy focus and policies that have, so far, failed to incorporate the complex array of evidence from social, environmental, and economic components into such an integrated and comprehensive policy response [ 17 ]. Millions of people are being pushed into a cycle of food insecurity and poverty due to climate change; however, we can combat both food insecurity and climate change by implementing climate-friendly agricultural production methods [ 12 ]. Tsolakis and Srai [ 20 ] have stated that any comprehensive food security policy should entail multi-dimensional policies considering aspects such as resilience, trade, self-sufficiency, food waste, and sustainability. As it is traditionally understood, food security concerns individuals, while ecological and environmental concepts operate locally and at supra-national, regional, and international levels [ 1 ]. According to Guiné, Pato [ 21 ], the four pillars of food security—availability, access, utilization, and stability—should be reconsidered to include additional factors such as climate change. Clapp, Moseley [ 22 ] has also stressed that it is time to officially update the existing food security definition to involve two further dimensions—sustainability and agency—containing broader dynamics that have an impact on hunger and malnutrition [ 23 ]. Sustainability relates to the long-term ability of food systems to ensure food and nutrition security in a way that does not jeopardize the economic, social, and environmental foundations that generate food and nutrition security for upcoming generations [ 22 , 23 ]. Agency represents the ability of people or groups to decide what they consume, what they produce, and how they produce, process, and distribute their food within food systems, as well as their capacity to participate in processes that shape the food system’s policies and governance [ 22 , 23 ]. Instead of dismissing food security as being insufficient, Clapp, Moseley [ 22 ] has contended that the inclusion of two extra dimensions—agency and sustainability—into food security policy and assessment frameworks will help to guarantee that every human has access to food, not just now but also in the future. Sustainability can be viewed as a pre-requisite for long-term food security [ 1 ]. Environmental aspects—particularly climate and the availability of natural resources—are pre-requisite for food availability and biodiversity protection [ 24 ]. The availability of food for everybody depends on economic and social sustainability. Food utilization, too, is influenced by social sustainability. The three components of sustainability—social, economic, and environmental—ensure the continuity of the three food security dimensions and the food system stability on which they rely. As confirmation of the vital relationship between food security and sustainability, “The International Food Policy Research Institute” has launched a 2020 Vision of Food Security to achieve food security, stating that “a world where every person has economic and physical access to sufficient food to sustain a healthy and productive life, where malnutrition is absent, and where food originates from efficient, effective, and low-cost food and agricultural systems that are compatible with sustainable use and management of natural resources” [ 12 ] (p357). Many policies, priorities, technologies, and long-term solutions must be developed and implemented worldwide to achieve the 2020 food security vision [ 10 , 11 , 12 ]. However, there is a scarcity of systematic studies analyzing the food security drivers and the recommended policies to improve food security.

Following a review of the academic literature, we discovered a scarcity of research that systemically summarizes the major drivers of food security, outlines the recommended policies to improve food security, ensures the sustainability of future food production, and provides policy recommendations to enhance food security based on a country’s context. In response to this gap in the literature, we carried out a comprehensive, reliable, systematic, and rigorous review of previous research from the last ten years in order to identify the most frequently mentioned drivers/policies in the scanned literature. The rationale behind this study is to identify and list food security drivers and the current state of recommended policies that address chronic food insecurity to ensure the sustainability of future food production, utilizing a systematic literature review (SLR) methodology. Moreover, we hope to identify drivers/policies in order to aid policy-makers in selecting the most appropriate policies based on each nation’s context (e.g., agricultural production, natural resource availability, climate, political stability, and so on). Most importantly, policy-makers can use the identified drivers of food security and the recommended policies in the literature to customize appropriate policies that ensure the sustainability of future food production and, hence, ensure food sustainability for future generations. Based on the evidence reported in the literature, the identified food security drivers and recommended policies will aid the policy- and decision-makers of various countries in sustainably improving the food security situation. The need to identify the main drivers of food security arises from the notable increase in households and individuals suffering from food shortages and insecurity globally [ 25 ]. Finally, the findings of this research will be used to inform the GFSI developers in order to include more comprehensive indicators expected to contribute to the sustainability of future food production.

2. Materials and Methods

This research aims to report on food security drivers and the current state of recommended policies that address chronic food insecurity in order to ensure the sustainability of future food production through the use of a systematic literature review (SLR) methodology. We highlight existing food security drivers and outline recommended policies to alleviate food insecurity following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) data screening and selection guidelines [ 26 ]. The extraction process was meticulously documented in order to ensure the transparency and replicability of this systematic literature review [ 27 ]. A panel of researchers was formed, following the systematic review guidelines [ 26 ], to define the research field and questions, select keywords and the intended databases, and develop the sets of inclusion and exclusion criteria.

The research began by formulating the research questions to guide this systematic review based on identified gaps in the literature, guiding us in an attempt to answer the following research questions:

• Q1. What are the main drivers of food security?
• Q2. What are the main recommended policies to alleviate food insecurity?

By answering these questions, this paper provides a reference that policy-makers and practitioners can use to identify the main drivers of food security and the recommended policies in the literature in order to customize and choose appropriate policies that ensure the sustainability of future food production. The identified food security drivers and recommended policies are expected to aid policy- and decision-makers in improving the state of FS. This study also provides a roadmap for future research based on the evidence reported in the literature.

A specific research criterion was used to ensure that the research sources selected were sufficient and comprehensive enough to capture all of the significant and salient points to adequately answer the research questions [ 26 ]. To this end, we provide a critical review of the existing literature that has been published in two databases—Scopus and Web of Science (WOS)—between 2010 and 15 March 2021, to answer the abovementioned research questions. The time limit was set to cover the period following the global financial crisis of 2008/2009 and its effect on rising food prices, increased unemployment rates, and increasing food insecurity worldwide [ 28 , 29 , 30 ]. This period allows for consideration of policies designed to ensure global food security following the food shortage crisis. The use of Scopus and Web of Science (WOS) databases helped us to include most potential published works in a broad scope of journals, thereby limiting the risks of bias and possible exclusions associated with the use of fewer journals.

We employed a set of identified keywords, which are summarized in detail in Table 1 . A critical analysis was conducted regarding the most relevant concepts that are available in the literature and which affect each of the four dimensions of FS: Food availability, food access, food utilization, and food stability. For instance, the research string “Agrifood supply chain” OR “Agri food supply chain” OR “Agri-food supply chain” was added as a secondary search string, because food availability is highly dependent on the food supply chain and how well its activities are managed. The food supply chain is exposed to many factors that can negatively impact the country’s food security level, such as severe weather conditions [ 31 , 32 ]. Therefore, it is critical to consider some characteristics of the food supply chain, such as biophysical and organoleptic features, shelf life, transport conditions, production time, and storage, to efficiently and effectively manage it [ 33 ]. Effective supply chain management is seen as a significant contributor to gaining and enhancing industrial competitive advantage and efficiency at the company level, possibly impacting food security positively [ 34 ]. “MENA Region” OR “Middle East and North Africa” OR “Middle East” OR “North Africa” research string was added due to the severity of food insecurity there and to ensure the inclusion of papers that address the problem in these countries and propose strategies to overcome food insecurity. According to the GFSI data [ 25 ], MENA region countries are experiencing a decline in food security; moreover, the number of households and individuals suffering from food shortages and insecurity is dramatically increasing.

Primary and secondary search strings used in this research.

The research string “Sustainable supply chain” OR “Resilient supply chain” was added due to much research that stressed the impact of designing a proper supply chain structure due to its significant impact on the future improvement of its performance [ 33 ]. The central mission of the twenty-first century is to establish a sustainable food system, which calls for a more concrete policy framework than what is currently in place [ 17 ]. Sustainability can be viewed as a prerequisite for long-term food security [ 1 ]. The environment, particularly climate and the availability of natural resources, is a prerequisite for food availability and biodiversity protection [ 24 ]. The availability of food for everybody depends on economic and social sustainability. Food utilization, too, is influenced by social sustainability. The three components of sustainability—social, economic, and environmental—assure the continuity of the three food security dimensions and the food system stability on which they rely. Moreover, food security is increasingly considered a prerequisite for long-term sustainability [ 1 ]. Adopting a “sustainable production and consumption approach throughout the global food supply chain” is a solution that will help reduce the amount of food waste along the food supply chain [ 35 , 36 ]. Cooper and Ellram [ 37 ] argued that building a resilient supply chain has many advantages such as decreasing inventory time, which will lead to cost and time savings, increasing the availability of goods, reducing the order cycle time, improving customer service and satisfaction, and gaining a competitive advantage. Stone and Rahimifard [ 38 ] stressed the importance of having a resilient agricultural food supply chain to achieve food security due to the incremental increase in volatility across the supply chain.

The research string “Food Safety” OR “Food diversity” OR “Food quality” OR “Food standards” OR “Micronutrient availability” was added due to one of the food security dimensions: utilization, which is concerned with all aspects of food safety, and nutrition quality [ 39 ]. According to FAO (2019), the utilization dimension should assess food diversity, food safety, food standards, and micronutrient availability. It is inadequate to provide enough food to someone unable to benefit from it because they are constantly sick due to a lack of sanitary conditions. It indicates that in the country, individuals are taking advantage of the food they receive or have access to, with extra emphasis on the dietary quality that contains nutritious ingredients such as vitamins (vitamin-A) and minerals (Iron, Zinc, Iodine) [ 40 ]. According to the World Health Organization, people diagnosed with malnutrition usually suffer from micronutrient deficiencies, protein deficiency, obesity, or undernutrition. The lack of micro-ingredients can increase the risk of developing severe chronic and infectious diseases for people in general and children in particular (toddlers 9–24 months). These diseases have an irreversible negative impact on people’s health, which enhances the persistence of poverty and food insecurity. It is critical to invest in the health and nutrition elements on a global scale by ensuring safe drinking water, immunization, enhancing sewage discharge, improving public health services, and reducing poverty levels [ 41 ].

The research string “Agricultural infrastructure” OR “Agricultural production volatility” OR “Vulnerability assessment” was chosen because much research has emphasized the importance of investing in a strong agricultural infrastructure to improve food security levels, especially in light of current challenges such as climate change, increased urbanization, water scarcity, and the shift away from using cropland for non-agricultural activities [ 7 , 8 , 41 ]. Food security is vulnerable to severe weather conditions, whereas harsh weather conditions may adversely impact the food supply chain in weak areas [ 31 , 32 ]. Therefore, it is critical to assess the vulnerability level of each country to protect the food supply chain. The use of the “Food loss” OR “Food waste” OR “Food waste and loss” research string was due to the general agreement among researchers on the importance of reducing food waste to improve food security [ 35 , 42 , 43 ]. According to the Food and Agriculture Organization (2013), around one-third of the food produced globally (1.3 billion tons) is wasted or lost. Most wasted food is either fresh and perishable or leftovers from eating and cooking [ 36 , 42 ]. Basher, Raboy [ 43 ] argued that eliminating just one-fourth of the food waste would be enough to feed all the currently undernourished people. One of the Sustainable Development Goals established by the United Nations, “SDG 12.3 Food Waste Index” stresses that decreasing the amount of food loss and waste will help reduce hunger levels, promote sustainable production and consumption, and enhance food security [ 44 ].

The use of “Policy description” OR “Policy assessment” OR “Policy recommendation” OR “Policymaking” OR “Policy-making” OR “Policy making” research string was due to the impact of adequate and proper policy formulation on food security ( Table 1 ). Establishing effective and efficient food policies that ensure that each individual has an optimal level of food security is critical in every country because it directly enhances the country’s competitive advantage and efficiency [ 34 , 45 ]. Timmer [ 46 ] emphasized that designing the proper set of policies to end hunger based on each country’s context is challenging and requires collaborative participation from multiple stakeholders. Murti Mulyo Aji [ 34 ] stressed the role of the government’s policies in developing a collaborative supply chain that creates value throughout the supply chain by improving information, logistics, and relationship management. Effective and efficient supply chain management significantly impacts managing long-term partnerships and corporations among a wide range of firms that vary in size and sectors (public or private). This collaboration will enhance prediction of changes in customer demands in domestic and international markets. If previous policies were insufficient to ensure that country’s true competitive advantage, it could cause market distortion [ 34 , 47 ]. Countries are encouraged to gradually reduce the adoption of inequitable trade policies to focus on enhancing their true competitive advantage, demonstrating fair competition, and increasing economic efficiency, particularly in the spirit of trade liberalization [ 34 ].

The selection of research sources was accomplished in March 2021, and the search for keywords was enabled for titles, abstracts, and full texts in both electronic search engines (i.e., Scopus and WOS). Several keywords were identified to retrieve the available literature, and search strings consisted of primary and secondary keywords. The primary search string used was as follows: “food security” OR “food insecurity” OR “food availability” OR “food affordability” OR “food access” OR “food utilization” OR “food stability”. The reason behind including these multiple strings was to cover the maximum number of articles that handle the topic of food security or any of its four dimensions.

Specific exclusion and inclusion criteria were applied in order to develop high-quality evidence [ 26 ]. A reasonable number of articles were limited for deep analysis by following the specific exclusion and inclusion criteria to control the quality of the review in the food security field, as detailed in Table 2 above. Only peer-reviewed journal articles were included within the time frame (2010–15 March 2021) and only those written in English. Furthermore, due to this study’s nature and to ensure consistency with the topic area, the most common and effective approach for examining drivers and recommended policies were limited to the business, management, accounting, and agricultural fields [ 48 ]. We have used the “business, management and accounting” research field in the Scopus database to ensure that all the included articles were business-related. Then, we restricted the research field to” Economics, business, and agriculture Economics” in the WoS database to ensure the inclusion of agriculture-related papers and maximize the inclusion of a diverse range of articles. Another round of retrieval was applied using a set of secondary keywords in order to narrow down the search to specific areas of food security. For this purpose, the primary keywords were escorted each time with “AND” and other secondary keywords, as listed in Table 2 .

Inclusion and exclusion criteria.

The initial search using the primary keywords (“food security” OR “food insecurity” OR “food availability” OR “food affordability” OR “food access” OR “food utilization” OR “food stability”) revealed a total of 113,709 documents (Scopus, n = 63,860; WOS, n = 49,849). Strict selection criteria were applied to the first search pool in order to maintain transparency and guarantee the selection of relevant material that answers the research questions. To ensure academic rigor, the search was restricted to including only peer-reviewed publications [ 49 ] (Scopus, n = 47,673; WOS, n = 40,305). The research was then restricted by publication date to between 2010 and 15 March 2021 (Scopus, n = 34,789; WOS, n = 31,278). Only journal articles published in English were selected (Scopus, n = 33,292; WOS, n = 30,313). Then, advanced research was conducted by combining the primary keywords with one of the secondary keywords. The results and the number of articles identified in each search step are detailed in Figure 1 . After removing duplicate articles from each database, a total of 281 journal articles (Scopus, n = 140; WOS, n = 141) were revealed. After combining both databases, 248 journal articles were obtained. These collected 248 journal articles were scanned by reading their abstracts in order to check their applicability to answering the research questions. At this point, 107 articles were excluded as they were considered irrelevant and outside the scope of the research. Finally, the total number of extracted articles was 141, as can be seen in Figure 1 . Data extraction and analysis were performed by a single reviewer (SW), and all extracted data and revealed results were double-checked by three researchers (FA, IM, and BS) to enhance the research and reduce bias in study selection. A complete description of the validity threats (Construct, Internal, External, and Conclusion Validity) following the validation process of Zhou, Jin [ 50 ] is provided in detail in Table 3 .

Research protocol following the PRISMA guidelines.

A reporting of validity threats in this systematic literature review.

Among the selected 141 articles, 28 (19.86%) were published in the Journal of Cleaner Production , 20 (14.18%) were published in Food Policy , and 5 (3.55%) were published in Quality-Access to Success . The rest of the journal names are visualized in Figure 2 .

The most popular journals publishing the 141 included articles. Others denotes journals that were cited once or twice.

After the 141 articles have been extracted, they were analyzed and summarized individually by listing all the discussed food security drivers, as well as the recommended policies for the improvement of food security and sustainable food production. Then, we synthesized the extracted information from all sources in order to identify the gaps, list the similarities between all the resources, and extract significant insights regarding the main drivers of food security and the recommended policies [ 26 ].

3.1. The Major Drivers of Food Security

Analysis of the retrieved literature revealed 34 different drivers of food security, as visualized in Figure 3 . Detailed information, along with a full citation list for all the drivers, is provided in Appendix A .

Summary of the major drivers of food security.

Most papers discussed food loss and waste (FLW) and emphasized its impact on food security [ 6 , 19 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 , 70 , 71 , 72 , 73 , 74 , 75 , 76 , 77 , 78 , 79 , 80 , 81 , 82 , 83 , 84 , 85 , 86 , 87 , 88 , 89 , 90 , 91 , 92 , 93 , 94 , 95 ]. Around one-third of the food produced globally (1.3 million tons) is wasted or lost [ 96 ]. Basher, Raboy [ 43 ] has argued that, if we could save just one-fourth of the wasted food, it would be enough to feed all the world’s undernourished people, contributing positively to FS. The previous finding supports our research findings that FLW is the primary driver of FS. To reduce FLW, Halloran, Clement [ 6 ] has argued that effective communication, more efficient food packaging, and a better consumer understanding of food packaging could lead to solutions. To decrease food loss, Garcia-Herrero, Hoehn [ 62 ] has suggested improving food labelling, enhancing consumer planning, and developing technological advances in packaging and shelf life for perishable products. Morone, Falcone [ 83 ] has suggested the repetition of large-scale research to help define a set of policies encouraging the transition to a new model for consumption that promotes sustainably procured food and dramatically reduces the amount of waste (more details are provided in Section 3.2 ).

Additionally, several authors have considered food security policy (FSP) as a driver of food security in its different forms [ 56 , 63 , 65 , 69 , 70 , 74 , 79 , 85 , 94 , 97 , 98 , 99 , 100 , 101 , 102 , 103 , 104 , 105 , 106 , 107 , 108 , 109 , 110 , 111 , 112 , 113 , 114 , 115 , 116 , 117 , 118 , 119 , 120 , 121 , 122 , 123 , 124 ]. The primary goal of establishing food security policies that consider the factors influencing individuals and groups is to reduce poverty and eliminate hunger. One example is safety-net programs or public food assistance programs (FAPs). The main goal of providing safety-net programs is to increase food consumption among poor people and improve food security [ 102 ].

Many papers have discussed the importance of technological advancement as an enabler of food security [ 56 , 57 , 58 , 63 , 69 , 71 , 74 , 77 , 85 , 90 , 94 , 95 , 109 , 116 , 119 , 120 , 121 , 123 , 124 , 125 , 126 , 127 , 128 , 129 , 130 , 131 , 132 , 133 , 134 , 135 , 136 , 137 , 138 , 139 , 140 , 141 ]. The use of technology to promote behavioral changes has increasingly become a vital instrument to reduce food waste and indirectly improve food security [ 130 ]. Mobile applications offer households helpful guidance on increasing shelf life and experimenting with dishes using leftovers [ 58 ]. Shukla, Singh [ 130 ] has elaborated that, at present, farmers have access to mobile applications that provide them with reasonably and timely priced information.

Some authors have discussed sustainable agricultural development and practices as enablers of food security [ 56 , 57 , 59 , 64 , 71 , 73 , 94 , 97 , 105 , 109 , 111 , 119 , 120 , 121 , 124 , 130 , 132 , 134 , 136 , 137 , 139 , 142 , 143 , 144 , 145 , 146 , 147 ]. Some authors have discussed local production enhancement as a driver of food security to enhance the self-reliance of countries [ 57 , 69 , 85 , 87 , 89 , 94 , 98 , 103 , 105 , 109 , 112 , 117 , 120 , 134 , 137 , 144 , 148 , 149 ]. For example, Ahmed, Begum [ 98 ] has emphasized how, following the GCC ban, Qatar took several successful steps to foster local production, support domestic businesses, and promote the consumption of locally produced food by its citizens. Some authors have argued that building the capacities of small farmers is essential to achieving FS. Education policies are critical for educating farmers, building their capacities, and increasing their human capital; moreover, educational programs should also include food preparation and health education programs in order to ensure the safety of consumed food [ 101 ].

The government’s role in managing a country’s agriculture can also be seen as a driver of food security [ 67 , 75 , 84 , 86 , 100 , 109 , 116 , 117 , 119 , 121 , 137 , 138 , 147 , 150 , 151 , 152 ], as it is responsible for various aspects such as designing, testing, and implementing the right policies to ensure the welfare of its citizens, while providing the necessary assistance to small-scale farmers and ensuring their safety and security in all aspects of life. Governments in developing nations must focus on R&D, agriculture infrastructure (e.g., technologies for irrigation and soil preservation), expansion services, early warning systems, or subsidized farm income in order to alter the production function of the population [ 101 ].

Many authors have discussed the importance of food safety policies as an enabler of food security [ 61 , 64 , 69 , 103 , 105 , 111 , 112 , 129 , 149 , 153 , 154 , 155 , 156 , 157 , 158 , 159 ]. Food safety policies include food and water safety at several points throughout the supply chain where food-borne diseases might develop [ 69 ]. Environmental policies are also seen as a fundamental enabler of food security [ 59 , 73 , 121 , 124 , 130 , 135 , 139 , 147 , 159 , 160 , 161 , 162 , 163 ]. Regardless of the various approaches discussed by the authors, they all agreed that environmental protection would help to ensure food availability for current and future generations. According to some authors, trade policies [ 69 , 94 , 95 , 103 , 111 , 112 , 114 , 123 , 129 , 141 , 146 , 161 , 164 ] and import policies [ 69 , 95 , 100 , 103 , 120 , 124 , 126 , 129 , 146 ] are enablers of food security. Regulating international trade can help to ensure food security. Lowering trade barriers, for example, has been proposed as a way to mitigate the adverse effects of market regulation caused by climate change [ 141 ].

Many authors have recognized policies that promote consumer education on sustainable consumption and increase consumer awareness and knowledge of the environmental impact of their purchases as a driver of food security [ 52 , 60 , 67 , 69 , 86 , 133 , 144 , 151 , 163 , 165 , 166 , 167 ]. Others have stressed proper communication among all stakeholders as a driver of food security [ 6 , 56 , 68 , 69 , 84 , 92 , 129 , 130 , 156 , 157 , 168 ]. Some authors have considered risk management as an enabler of food security [ 94 , 117 , 118 , 137 , 138 , 139 , 145 , 154 , 155 , 157 ]. For example, the aims of building a disaster risk reduction framework in the Pacific include boosting resilience, protecting investments (e.g., in infrastructure, operations, and FS), and decreasing poverty and hunger [ 169 ].

Some authors have proposed the effective gleaning process as a driver of food security [ 70 , 72 , 74 , 80 , 84 , 92 , 142 , 170 ]. Gleaning is the collection of the remaining crops in agricultural fields after their commercial harvest, or just in crop fields where their harvest is not cost-effective. Some old cultures have fostered gleaning as an early form of social assistance [ 80 ]. Some authors have considered the management of government food reserves to be a food security driver [ 64 , 104 , 112 , 117 , 118 , 124 , 136 ]. Despite the high cost of storing food, any country must maintain adequate food reserves to serve the country in case of a crisis scenario [ 171 ]. Some authors have considered integrative policies (i.e., food–water–energy, food–energy, or water–food) as a driver of food security due to their impact on environmental improvement through natural resource handling efficiency [ 56 , 73 , 133 , 139 , 172 , 173 ]. Some authors have considered establishing dietary standard policies as an enabler of food security [ 69 , 151 , 163 , 174 ]. The government should impose policies on healthy food consumption to prevent obesity, such as prohibiting trans-fats. Moreover, they should restrict trans-fat usage in food outlets, establish institutional food standards, implement menu labelling regulations for chain restaurants, and ensure that disadvantaged people have better access to healthy meals [ 151 ].

Authors have highlighted various additional arguments or policies that are considered drivers for FS such as establishing public programs to influence diets in a healthy manner, reducing yield volatility [ 85 , 94 , 105 , 119 , 124 , 126 , 175 ], the country’s natural resources [ 85 , 105 , 119 , 124 , 137 , 145 , 162 , 163 , 176 ], geopolitical and political stability [ 69 , 98 , 104 , 117 , 123 , 124 , 142 ], agricultural infrastructure [ 64 , 114 , 116 , 118 , 142 , 146 , 175 ], food distribution infrastructure [ 71 , 75 , 76 , 112 , 177 , 178 ], economic integration [ 109 , 112 , 123 , 179 , 180 ], collaboration among all supply chain stakeholders [ 75 , 130 , 134 , 157 ], proper measurement of food security dimensions [ 123 , 181 , 182 , 183 ], urban agriculture policies [ 56 , 147 , 148 ], adjustments in dietary structure [ 59 , 86 , 163 ], establishing employment programs for poor household representatives [ 110 , 152 ], customer engagement in designing public policies [ 158 ], and trust in public institutions [ 166 ].

3.2. The Recommended Policies to Alleviate the Food Insecurity

Analysis of the 141 retrieved papers revealed 17 major recommended policies, as visualized in Figure 4 . We also determined sub-policies under each category which were grouped based on common characteristics, relevance, and how they were categorized in the papers. The complete list of sub-policy categories and related references is provided in Appendix B .

The main 17 recommended policies and statistics.

Most authors recommended establishing FSP, in general, as a primary solution for food insecurity in developing and developed countries [ 56 , 57 , 63 , 64 , 65 , 69 , 81 , 85 , 87 , 89 , 91 , 94 , 97 , 98 , 99 , 101 , 102 , 103 , 104 , 105 , 106 , 107 , 108 , 109 , 110 , 111 , 112 , 113 , 114 , 115 , 116 , 117 , 118 , 119 , 120 , 121 , 122 , 123 , 124 , 126 , 127 , 130 , 131 , 133 , 134 , 137 , 142 , 144 , 145 , 148 , 149 , 151 , 152 , 175 , 177 , 180 , 182 , 184 , 185 ]. Many authors have suggested food consumption policies that offer safety-net programs or public food assistance programs (FAPs) such as food price subsidies, cash-based programs, structural pricing adjustments, or micro-credits as enablers of FS. The main goal of providing safety-net programs is to increase food consumption among poor people and improve food security [ 102 ]. Given the solid bidirectional causal link between poverty and malnutrition, FAPs have been recognized as critical components of the overall poverty reduction strategy. Food aid policies and initiatives can fill the gaps left by the for-profit food system and the informal (non-profit) social safety nets, ensuring food security for disadvantaged individuals, families, and communities [ 108 ]. Several authors have recommended establishing policies to enhance the performance and asset bases of small-scale farmers, such as loans, subsidies, access to information, and knowledge-sharing, to address food insecurity. Governments should adopt direct interventions such as structural price adjustments and targeted food subsidies to enhance the food access of farmers by lowering market prices and stabilizing consumption during high food price inflation [ 116 ]. Others have recommended establishing government input subsidy programs (input subsidy policies) that provide farmers with subsidies for investment into high-yielding technology (e.g., automation, fertilizers, high-yield seed). They all claimed this as an effective policy instrument for agricultural development, but each focused on a different mechanism. Shukla, Singh [ 130 ], for example, has discussed public distribution programs; Sinyolo [ 131 ] has emphasized policies aimed at increasing the amount of land planted with enhanced maize varieties among smallholder farmers; Wiebelt, Breisinger [ 124 ] has suggested investments in water-saving technologies, while Tokhayeva, Almukhambetova [ 137 ] have proposed the development of an agricultural innovation system. Others have recommended rural development policies to reduce yield volatility and improve the agricultural infrastructure (e.g., irrigation and water-saving technologies). Governments in developing nations must focus on R&D, agricultural infrastructure (technologies for irrigation and soil preservation), expansion services, and early warning systems [ 101 ]. Technological advancement, in general, is seen as a vital element in reducing yield volatility [ 85 ]. Capacity-building policies (e.g., educational, training, and technical support) have received considerable attention in the literature as a fundamental component of urban farming initiatives, and as attempts to promote self-reliance and networking. Capacity building in many areas connected to urban agriculture is essential for equipping residents with knowledge and expertise [ 148 ]. To enhance FS, some researchers have suggested policies supporting locally produced food, diversified agricultural production policies, policies that impact farm-level commodity pricing, food stock policies, establishing policies to increase the income of farmers, buffer stock policies, and resource allocation policies (for a complete list of references, see Appendix B ).

Many authors have proposed different policy recommendations to reduce food waste and, thus, food insecurity [ 6 , 19 , 51 , 52 , 56 , 57 , 58 , 60 , 61 , 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 , 70 , 71 , 72 , 73 , 74 , 75 , 76 , 77 , 79 , 80 , 81 , 82 , 83 , 84 , 85 , 86 , 87 , 88 , 91 , 92 , 93 , 94 , 103 , 130 , 138 , 144 , 150 , 160 , 167 , 168 , 170 , 177 ]. Many have agreed on the importance of policies that promote information and education campaigns that spread awareness at household and public levels by improving meal planning and management in consumers. However, each author suggested a different approach. For example, Schanes, Dobernig [ 58 ] have discussed face-to-face door-stepping campaigns (online and in traditional newspaper leaflets), word-of-mouth, and television shows or movies. However, Septianto, Kemper [ 66 ] have highlighted the importance of social marketing campaign design and framing (having vs. not having) in conveying the intended message to consumers. Tucho and Okoth [ 73 ] have asserted the advantages of producing bio-wastes and bio-fertilizers from food waste and human excreta (in a food–energy–sanitation nexus approach), and also advocated for educating families on how to do so at the household level. Xu, Zhang [ 86 ] has argued that governments should help society to develop a logical perspective on food consumption and aggressively promote the habit of eating simple meals, particularly in social catering. Von Kameke and Fischer [ 52 ] and Zorpas, Lasaridi [ 60 ] have emphasized the importance of teaching customers about efficient meal planning to reduce food waste. Von Kameke and Fischer [ 52 ] have proposed using the Nudging tool rather than campaigning. Xu, Zhang [ 86 ] have suggested initiating suitable policy instruments to nudge individuals to adopt sustainable consumption habits, with important implications for decreasing food waste and increasing food security in China. Smart (innovative) food packaging and labelling policies have received significant attention in the literature, as they are critical in reducing food waste and, thus, improving FS. The nature, size, and labelling of the packaging impact the lifetime of the food. Smart packaging innovations and new technologies are steadily penetrating markets, thus increasing the shelf-life of foods through enhanced protection, communication, convenience, and control [ 58 ].

Food banks, food sharing, and food rescue policies have also received significant attention in the global literature, as they help reduce food waste and improve FS. Food banking is a critical long-term rescue policy for re-distributing surplus food to those in need and reducing poverty and food insecurity [ 80 , 92 ]. Several authors have recommended positive sanctions such as financial rewards, tax credits, federal and state funding, vouchers, or reduced taxes to decrease food waste and improve FS. Positive sanctions consist mainly of financial incentives to encourage restaurants and grocery retailers to donate their leftover food [ 60 ]. Addressing liability concerns might be one incentive, as the research participants have highlighted this as a universal barrier and that this issue, in particular, must be handled [ 51 ]. Negative sanction policies have received considerable attention in the literature as a tool for reducing food waste and improving FS. These include fines and fees imposed on companies and individuals accountable for food waste [ 58 ]. Taxes and fines are a potential way to manage and motivate restaurants and retailers to donate their leftover food to charities and community centers [ 65 ].

The establishment of policies that regulate the sharing of information and knowledge among supply chain stakeholders has received some attention in the literature in terms of reducing food waste and improving food security. Comprehensive food waste legislation has been discussed as a potential enabler of food security. A possible regulatory tool would be to revise and remove unnecessary food safety requirements that result in excessive food waste levels [ 58 ]. According to Halloran, Clement [ 6 ], food waste increased due to European food safety regulations and standardization. Food waste recycling policies have been used as a method to reduce food waste. Food waste can be utilized for value generation at any point of the food supply chain process through efficient techniques, then reincorporated into the cycle [ 77 ]. Food waste has a long history as a source of ecologically friendly animal feed [ 61 ].

A few authors have highlighted the impact of technological advancement (e.g., mobile applications) as a strategy to reduce food waste. Some authors have proposed implementing gleaning operation policies that provide tax incentives and government assistance to gleaners in order to decrease food waste. Some authors have proposed implementing peak storage reduction policies, such as stock-holding incentives. Nudging tools (which nudge people toward forming sustainable consumption behaviors) have been mentioned by a few authors.

Food safety policies received significant attention in the retrieved literature [ 61 , 64 , 69 , 70 , 103 , 105 , 111 , 112 , 120 , 125 , 129 , 130 , 137 , 138 , 149 , 153 , 154 , 155 , 156 , 157 , 158 , 159 ]; however, they have been discussed in various different forms. Few authors have discussed food quality and food hygiene compliance certifications. Compliance with sanitary standards is required to maintain the best practices for preventing food-borne diseases and food security threats [ 155 ]. Other authors have discussed the importance of food safety standards. Meanwhile, few authors have emphasized the importance of food safety throughout the supply chain, but each proposed a different strategy to achieve it. For example, some authors have suggested using an effective IT system [ 130 ], RFID [ 138 ], or developing food safety training policies [ 155 ].

Many authors have advocated for the implementation of trade policies to address food insecurity in developing and developed countries [ 94 , 95 , 101 , 103 , 111 , 112 , 119 , 123 , 129 , 136 , 141 , 146 , 148 , 149 , 152 , 157 , 161 , 164 , 178 , 180 ], but in different contexts. For example, some have suggested establishing infrastructure development policies that target agricultural logistic infrastructure, or improving the speed and quality of shipping logistics. In contrast, some authors have agreed on the importance of state trading and private trade-supporting policies. Others have suggested the removal of tariff and non-tariff barriers, while a few authors recommended reliable marine connection and transportation logistics policies.

Environmental policies are a fundamental enabler of food security [ 59 , 73 , 94 , 120 , 121 , 124 , 130 , 135 , 139 , 141 , 145 , 147 , 159 , 160 , 161 , 162 , 163 , 166 ]. However, authors have focused on many different aspects of these policies. Some authors, for example, have emphasized the importance of establishing policies to mitigate the effects of climate change. Others were too specific, suggesting greenhouse gas reduction policies, and proposed penalizing non-compliance. Due to the strong links between climate change, poverty, and food insecurity, some authors have proposed establishing coordinating policies among the three. Other authors have stressed the consideration of policies that encourage the optimization of fertilizer use.

Many authors have considered food import policies as a solution to food insecurity [ 94 , 95 , 100 , 103 , 104 , 105 , 109 , 112 , 116 , 117 , 119 , 120 , 124 , 126 , 134 , 146 ]; however, most authors provided different opinions regarding the most effective policy to implement. For example, some authors have stressed the importance of policies that provide direct government financial assistance to local agriculture, or the importance of policies that sustain local agricultural product prices compared to imported products. Some have recommended providing temporary tax benefits for agricultural investment, while others recommended import ban (substitution) policies. A few authors have recommended direct budget subsidies, subsidized loan interest rates, and strategies for the diversification of imported food origin.

Many authors have discussed the importance of establishing a common agricultural policy (CAP) to address sustainable agriculture [ 56 , 57 , 64 , 89 , 109 , 111 , 118 , 119 , 132 , 142 , 143 , 149 , 161 , 172 , 184 , 186 ]. Others have stressed the importance of food surplus policies in enhancing a country’s food security status [ 51 , 58 , 70 , 72 , 75 , 76 , 79 , 82 , 84 , 90 , 91 ]. Some authors have suggested strategies to regulate a company’s liability regarding the donation of surplus food. A few authors have proposed food policies that subsidize the purchase of surplus food—also known as “ugly food”—by controlling for prices and surplus item characteristics. Some authors have suggested establishing food loss policies. However, few authors have specified the need for policies promoting food loss quantification.

Many authors have discussed the policies that promote traceability across the whole supply chain as an enabler for food security [ 56 , 69 , 103 , 128 , 129 , 130 , 137 , 138 , 168 , 178 ]. However, the different authors discussed different technologies such as investment into information technology such as RFID, effective IT systems, ICT systems, and blockchain technology. Government policies should promote investments into traceability systems that focus on rapid withdrawal in unsafe food scenarios such as product recall regulations, fines imposed on hazardous product distributors, and food-borne food risk monitoring [ 129 ]. Many authors have discussed various risk management strategies to improve a country’s food security [ 94 , 117 , 118 , 137 , 138 , 139 , 145 , 154 , 155 , 157 ]. However, each considered a different approach to overcome the risk. Specifically, they have discussed food scandal policies, the COVID-19 pandemic, programmed risk identification, proactive policy measures to handle flood crises, early warning systems for natural disasters, or risk management throughout the food supply chain. Some authors have highlighted water quality policies such as efficient water-use policies, improving water resources policies, using water-efficient crops, investments into water-saving technologies, and food and water safety throughout the supply chain.

Some authors have discussed the management of government food reserves as an enabler of food security [ 64 , 104 , 112 , 117 , 118 , 124 , 136 ], and others have discussed integrative and coherent policies between food, water, and energy (as a nexus) [ 56 , 73 , 133 , 139 , 172 , 173 ]. Meanwhile, other authors have discussed policies that promote consumer education on sustainable consumption, improving consumer status awareness and knowledge regarding the ecological impact of their purchases [ 60 , 69 , 133 , 144 , 163 , 165 ]. Few authors have addressed the importance of dietary standard policies [ 69 , 151 , 163 , 174 ], urban agriculture policies [ 56 , 147 , 148 ], and food-aid policies [ 118 , 150 ].

Some policies were suggested in one paper only such as devising the right population policy in China [ 85 ], flexible retail modernization policies [ 158 ], policies that facilitate short-term migration [ 187 ], policies to stimulate equitable economic growth through manufacturing and services [ 95 ], and sound research governance policies [ 140 ].

4. Discussion

In this section, we discuss the polices and drivers in the greater areas, then compare them based on specific contexts. This approach serves to provide better understanding, thus informing decision-makers about the importance of choosing the right policies through considering many food security dimensions. By looking deeply at the extracted food security drivers and policies and the way in which they can be applied to each country’s context, we take an example from the MENA region. The MENA region includes a diverse range of nations, including low-income and less-developed (e.g., Sudan, Syria, and Yemen), low–middle-income (e.g., Algeria, Egypt, Iran, Morocco, and Tunisia), upper middle-income (e.g., Jordan, Lebanon, and Libya), and high-income (e.g., the UAE, Qatar, Oman, Bahrain, Israel, Kuwait, and Saudi Arabia) countries [ 126 ]. As food availability is a serious problem in the MENA region low-income countries (Syria and Yemen), due to war and violent conflicts [ 188 ], policies aimed at increasing food availability continue to pique the interest of policy-makers. In these countries, where citizens are incapable of fulfilling their basic food needs [ 189 ], the existence of food security policies in different forms is crucial for achieving food security [ 53 , 97 , 98 , 124 , 184 ], more than FLW policies. Policy-makers should focus on ensuring the availability of either locally produced or imported food, which requires appropriate trade policies to deal with food shortages and improve the availability dimension in these countries. Trade policies should focus on creating infrastructure development policies that target agricultural logistic infrastructure, improve the speed and quality of shipping logistics, and establish reliable marine connections and transportation logistics policies that remove tariff and non-tariff barriers.

Policy-makers should establish import policies that sustain local agricultural product prices compared to imported products, provide direct government financial assistance to local agriculture, and provide temporary tax benefits for agricultural investment.

Additionally, the governments should improve food access in the MENA region low-income countries by reducing or stabilizing consumer and producer food prices. To enhance food access, FSPs (e.g., education policies in general and capacity-building policies) may help to improve individual human capital. Governments also must provide supplemental feeding programs, typically targeting vulnerable groups in need of special diets, such as pregnant women and children [ 101 ].

Moreover, the government should improve credit access through the following means: policies that enhance the performance and asset base of small-scale farmers; the existence of policies that impact farm-level commodity pricing, thus retaining farmers and increasing local production; the existence of government input subsidy programs for individuals, and the existence of policies supporting locally produced food. These are all possible policies to improve the MENA region FS. Governments and global health organizations should promote food utilization in MENA low-income countries through the development of policies that monitor overall food quality, such as access to clean water and micronutrient fortification, or through individual educational programs on safe food preparation [ 155 ]. Finally, enhancing food quality can optimize the individual nutrient absorption [ 101 ].

In contrast, discussions of food security in the MENA region high-income countries have indicated that food availability, access, and utilization are generally higher and not a problem. However, food stability is low, which requires the attention of policy-makers to improve FS. Food stability impacts the other food security pillars (access, availability, and utilization). Moreover, it requires the economic, political, and social sustainability of food systems, which are vulnerable to environmental conditions, land distribution, available resources, conflicts, and political situations [ 190 ]. Food stability necessitates increased efforts and expenditures to achieve food security in the sustainable development goals, especially in light of increased academic and governmental interest in incorporating sustainability values into policies.

As food waste is prevalent in these countries, FLW policies are more critical than FSP, which is in alignment with our findings regarding food security drivers. FLW makes it difficult for the poor in developing countries to access food by significantly depleting natural resources such as land, water, and fossil fuels while raising the greenhouse gas emissions related to food production [ 115 ]. Addressing food loss and waste in these countries can hugely influence the reduction of wasted food and indirectly enhance food security. The number of food-insecure individuals may be reduced in developing regions by up to 63 million by reducing food loss, which will directly reduce the over-consumption of cultivated areas, water, and greenhouse gas emissions related to food production [ 115 ]. According to Abiad and Meho [ 189 ], food waste produced at the household level differs across MENA-region countries. For example, it ranges from 68 to 150 kg/individual/year in Oman, 62–76 kg/individual/year in Iraq, 194–230 kg/individual/year in Palestine, and 177–400 kg/individual/year in the UAE. It is critical to take more aggressive but scientifically sound initiatives to minimize FLW, which will require the participation of everyone involved in the food supply chain such as policy-makers, food producers and suppliers, and the final consumers [ 191 , 192 ]. Food waste reflects an inefficient usage of valuable agricultural input resources and contributes to unnecessary environmental depletion [ 191 , 193 ]. Furthermore, food loss is widely recognized as a major obstacle to environmental sustainability and food security in developing nations [ 194 ]. Preventing FLW can result in a much more environmentally sustainable agricultural production and consumption process by increasing the efficiency and productivity of resources, especially water, cropland, and nutrients [ 115 , 191 , 192 , 195 ]. Preventing FLW is crucial in areas where water scarcity is a prevalent concern, as irrigated agriculture makes up a sizeable portion of total food production, and yield potential may not be fully achieved under nutrient or water shortages [ 191 , 196 , 197 ]. According to the study of Chen, Chaudhary [ 197 ], food waste per capita in high-income countries is enough to feed one individual a healthy balanced diet for 18 days. Chen, Chaudhary [ 197 ] also found that high-income countries have embedded environmental effects that are ten times greater than those of low-income countries, and they tend to waste six times more food by weight than low-income countries. Consequently, implementing proper FLW policies in high-income countries can help to alleviate the food insecurity problem while maintaining the economic, social, and environmental sustainability of future food production.

Implementing effective food storage techniques and capacities is considered a key component of a comprehensive national food security plan to promote both food utilization and food stability; furthermore, proper food storage at the household level maintains food products for a more prolonged period [ 198 ]. Encouragement of economic integration between MENA region countries is very applicable considering the heterogeneity of these countries. For example, countries with limited arable land and high income, such as the UAE and Saudi Arabia, can invest in countries with a lower middle income, such as Egypt, and use its land to benefit both countries. On the other hand, Boratynska and Huseynov [ 101 ] have proposed food technology innovation as a sustainable driver of food security and a promising solution to the problem of food insecurity in developing countries. Due to the higher food production demand to support the expanding urban population while having limited water and land availability, higher investments in technology and innovation are needed to ensure that food systems are more resilient [ 190 ]. Boratynska and Huseynov [ 101 ] have argued that, in general, using innovative technologies to produce healthy food products is frequently a concern. However, improving the probability that innovative food technology will enable the production of a diverse range of food products with enhanced texture and flavor while also providing a variety of health advantages to the final consumer is essential. Jalava, Guillaume [ 193 ] have argued that, along with reducing FLW, shifting people’s diets from animal- to plant-based foods can help to slow environmental degradation.

The MENA region example described above can be adapted to different regions based on their food security situation, and relevant policies can be devised to improve food security more sustainably.

5. Conclusions

Food security is a complicated and multi-faceted issue that cannot be restricted to a single variable, necessitating the deeper integration of many disciplinary viewpoints. It is essential to admit the complexity of designing the right policy to improve food security that matches each country’s context [ 46 ] while considering the three pillars of sustainability. Furthermore, it is of utmost importance to implement climate-friendly agricultural production methods to combat food insecurity and climate change [ 12 ]. Mapping the determinants of food security contributes to better understanding of the issue and aids in developing appropriate food security policies to enhance environmental, social, and economic sustainability.

This research contributes to the body of knowledge by summarizing the main recommended policies and drivers of food security detailed in 141 research articles, following a systematic literature review methodology. We identified 34 food security drivers and outlined 17 recommended policies to improve food security and contribute to sustainable food production. Regarding the drivers, one of the foremost priorities to drive food security is reducing FLW globally, followed by food security policies, technological advancement, sustainable agricultural development, and so on (see Appendix A ). Regarding the recommended policies, most studies have detailed the contents and impacts of food security policies, food waste policies, food safety policies, trade policies, environmental policies, import policies, the Common Agricultural Policy (CAP), food surplus policies, and so on (see Appendix B ).

5.1. Policy Implications

We assessed the obtained results in comparison to the latest version of the GFSI. Using the GFSI (2021) indicators as a proxy resulted in the identification of gaps and specific policy implications of the results. The idea was to identify which of the policies and drivers have been already implemented and which have not (or, at least, have not been very successfully implemented). We used the GFSI as it is a very well-established benchmarking tool used globally by 113 countries to measure the food security level. We examined the indicators mentioned under each of the four dimensions of food security, and listed associations with the identified policies and drivers found in the literature. Accordingly, we suggest the addition of two dimensions to the current index:

• Sustainability

The first dimension relates to measuring the sustainability dimensions that each participating country adopts in its food production process. We noticed that many authors stressed the importance of the existence of clear environmental policies that drive long-term food security. However, the current GFSI lacks indicators measuring this dimension. The reviewed literature suggested environmental indicators considering optimized fertilizer use, carbon taxes, aquaculture environment, bio-energy, green and blue infrastructure, gas emissions reduction policies, policies to reduce the impacts of climate change, and heavy metal soil contamination monitoring.

• Consumer representation

The second dimension is related to consumer voice representation within the GFSI. The reviewed literature suggested implementing policy measures that promote consumer education on sustainable consumption and improve the consumer status, consciousness, and knowledge regarding the ecological impact of their purchases. Any sustainability initiative should be supported and implemented by the final consumer.

Additional gaps in the policies and drivers of food security were identified and allocated under the relevant indicators in the GFSI based on the four dimensions of food security. Under the affordability dimension, we found a lack of policies in the reviewed literature addressing the Inequality-adjusted income index. Regarding the Change in average food costs indicator, we observed that the policies that exist in the literature concern the farmer level only (e.g., policies that impact farm-level commodity pricing and policies supporting locally produced food), and not all of the citizens at the national level. Additionally, policies that promote traceability across the whole supply chain were missing. There were no policies in the reviewed literature under the food quality and safety dimension representing the following: the dietary diversity indicator; micronutrient availability (e.g., dietary availability of vitamin A, iron, and zinc); regulation of the protein quality indicator; the food safety indicator (specifically the two sub-indicators of food safety mechanisms and access to drinking water), and illustration of the national nutrition plan or strategy indicator. Therefore, future research should pay more attention to and emphasize the importance of such policies, particularly in developed countries seeking to improve their food security status and score high on the GFSI.

Moreover, the reviewed literature suggested “developing food safety training policies” to improve food safety and FS; however, no indicators or sub-indicators within the GFSI represent such training policies. The GFSI developers should pay more attention to safety training practices and include them in the index’s future development. Under the availability dimension, the reviewed literature suggested establishing a food loss policy that promotes the quantification of food loss under the food loss indicator. This indicator should be enhanced through well-articulated policies that address the problem of food loss and attempt to mitigate its impact. However, while there were various policies concerning food waste or surplus, there were no indicators within the GFSI that represented food loss. As food loss and waste was identified as the primary driver of food security in this study, we recommend expanding the GFSI to include food loss quantification and reduction policies under the availability dimension. Finally, under the political commitment to adaptation dimension, some policies were identified in the reviewed literature in two sub-indicators: early warning measures/climate-smart agriculture (e.g., proactive policy measures to handle flood crises, programmed risk identification, and early warning systems for natural disasters) and disaster risk management (e.g., food scandals, COVID-19, and risk management throughout the food supply chain). However, under the other two relevant sub-indicators—commitment to managing exposure and national agricultural adaptation policy—there were no identified policies.

5.2. Contributions of the Study

The key contributions of this study to the existing literature are threefold. First, we identified the (34) main food security drivers and the (17) most-recommended policies to improve food security and enhance the future food production sustainability. Several studies have partially covered this area, but none have employed a systematic literature review of 141 papers covering such an scope in this topic. The gravity of food security worldwide is well established; hence the contribution of this work. Second, we provide a reflection of policies/drivers on the latest version of the GFSI, resulting in more tangible policy implications (see Section 5.1 ). Third, through a systematic literature review, we identified elements not listed under the GFSI that could be considered in its future revision. Examples include environmental policies/indicators such as optimized fertilizer use, carbon taxes, aquaculture environment, bio-energy, green and blue infrastructure, gas emission reduction, policies to reduce the impact of climate change, and heavy metal soil contamination monitoring; consumer representation, as the reviewed literature suggested policy measures that promote consumer education on sustainable consumption, as well as improving consumer status, consciousness, and knowledge regarding the ecological impact of their purchases; and traceability throughout the entire supply chain.

5.3. Study Limitations and Future Research

In this study, we identified the major drivers and the recommended policies to improve food security and enhance the future food production sustainability based on the reviewed literature. However, we recommend conducting a Delphi research study in consultation with policy-makers and industry experts. A Delphi study can be used to validate the findings of this systematic literature review based on a specific country’s context. This research was conducted using only 141 articles from two databases; therefore, we suggest replicating this research using different databases, which will allow for the inclusion of more related papers. Moreover, this research included only peer-reviewed articles, which may be considered, based on the guidelines of Keele [ 185 ], as a source of publication bias. Future research may consider including gray literature and conference proceedings. This research did not include the three sustainability pillars within its research string; therefore, we recommend considering the inclusion of the three pillars in future research. Future research should also investigate the use of alternative protein food technology innovation, such as plant-based protein, cultured meat, and insect-based protein, as a sustainable solution to the food security problem. Additionally, understanding the factors influencing acceptance of various technologies by the final consumer is particularly important given some regional characteristics such as harsh arid environments and the scarcity of arable land, freshwater, and natural resources.

Appendix A. Summary Table of Major Drivers of Food Security

Appendix B. Summary Table of Most-Recommended Policies

Funding Statement

This research was funded by the UAE Ministry of Education, Resilient Agrifood Dynamism through evidence-based policies-READY project, grant number 1733833.

Author Contributions

Conceptualization, S.W., F.A., B.S. and I.M.; methodology, S.W., F.A., B.S. and I.M.; validation, S.W., F.A., B.S. and I.M.; formal analysis, S.W.; investigation, S.W., F.A., B.S. and I.M.; resources, I.M. and B.S.; data curation, S.W.; writing—original draft preparation, S.W.; writing—review and editing, F.A.; visualization, S.W.; supervision, F.A., B.S. and I.M.; project administration, B.S. and I.M.; funding acquisition, B.S. and I.M. All authors have read and agreed to the published version of the manuscript.

Data Availability Statement

Conflicts of interest.

The authors declare no conflict of interest.

Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Achieving Food Security in a Sustainable Development Era

Introduction.

• Published: 23 November 2019
• Volume 4 , pages 117–121, ( 2019 )

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• Dan Banik 1  

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Despite numerous developmental successes around the world, including major strides in food production, the persistence and scale of world hunger is astonishing. According to the latest State of Food Security and Nutrition in the World report (FAO 2019 ), more than 820 million people suffer from daily hunger and this number has been slowly increasing in the past three years. And almost 2 billion people face some form of food insecurity – i.e. without access to safe, nutritious and sufficient food. Women, children and indigenous groups remain particularly vulnerable to hunger. In addition to undernutrition, the world is also facing the growing threat of overweight and obesity, which continue to rise fast in all world regions and is assuming epidemic proportions.

This special issue highlights the urgency of enacting strong policies that leverage the benefits of globalization while minimizing the risks in order to achieve the Sustainable Development Goals (SDGs), in particular SDG 2 related to ending hunger, improving food security and nutrition and promoting sustainable agriculture. Hunger remains a silent emergency – attracting attention mainly when large numbers die during sensational and highly visible famines. In contrast, chronic hunger continues to evade the headlines. As the world struggles to achieve better developmental outcomes in the face of climate disruption, the political, economic and social implications of this silent emergency are enormous. Hunger and food insecurity are the products of a complex set of factors, including climate related triggers (e.g. drought, flood, cyclone), which are often further exacerbated by economic hardship and conflict. Indeed, the ability of political systems to address growing food insecurity and prevent short-term and long-term food crises from escalating into famine are contingent on historical, cultural economic and political factors. Moreover, various types of inequalities – including those of income, gender, access to productive agricultural land, access to healthy and fresh food – are highly correlated with food insecurity.

The 2030 Agenda and the SDGs

With the adoption of the 2030 Agenda and its accompanying 17 SDGs by 193 heads of state in 2015 (UN  2015 ) – grouped under overarching themes of people, planet, dignity, prosperity, justice and partnership – sustainable development is back in the international limelight. The SDGs have been widely praised for a strong articulation of an environmental dimension, in addition to breaking new ground with goals on inequality, economic growth, energy, and peace. Many argue that despite being imperfect and highly ambitious, the SDGs are the result of a comprehensive participatory process, unparalleled in the history of global development (Doane 2016 ). Indeed, while its predecessor – the Millennium Development Goals (MDGs) – focused exclusively on developing poor countries through foreign aid, the SDGs encompass a broader agenda, which applies to both rich and poor countries alike and is “buttressed by science and evidence” (UN 2014 ; UN 2015 ). By closely linking “sustainability” with “development” through the principles of “universality”, “integration” and “leave no one behind”, the 2030 Agenda has been much celebrated in academic, activist, business and policy circles as a means to stimulate a radical shift in world affairs (Banik and Miklian 2017 ). But the SDGs have also been criticized for their unrealistic ambitions and lack of focus. And one of the many unanswered questions relates to how low-income countries and conflict-prone fragile states will be able to plan, coordinate and finance development programs in line with the SDGs and aligned with their national interest.

There are growing concerns that many of the poorest countries will not be able to self-finance programs and that recent threats to aid from the Global North will stall efforts to advance the SDGs – thus making a stronger case for involvement of the private sector and the trillions of dollars for business opportunities that the SDGs open up (Business Commission 2017 ). However, operationalizing the SDGs requires a clearer understanding of the inter-connected, and yet distinct, role of national governments, international agencies and businesses. This is particularly urgent in low-income countries and conflict-prone fragile states, which are confronted with the dilemmas and potential pitfalls associated with coordinating the activities of numerous competing actors. Another key issue relates to state capacity and ability of local public administrations to identify, articulate, coordinate and implement development programs aligned with the national interest, while also making it sufficiently attractive for both domestic and international actors to become involved in SDG-related activities. Governments must therefore develop the capacity to identify mere profit-making initiatives that can thwart overall social and economic development.

Despite replete with references of the “we”, the 2030 Agenda does not make a clear distinction of the responsibilities of various stakeholders including national governments, international agencies and businesses (Engebretsen et al. 2017 ). Who will step in? And which part of the “we” will assume a greater responsibility for global development? Some argue that the pressure of achieving the 17 SDGs and their 169 targets can encourage governments to ignore the neediest. Still others point to unreliable and poor-quality data in large parts of the world and question the capacity of countries to reach “the furthest behind first” without knowing who they are (Jerven 2014 ; Melamed 2015 ). The emerging consensus has thus highlighted the importance of pursuing an integrated approach to economic, social and environmental aspects of development, requiring interdisciplinary research in addition to intersectoral collaboration and knowledge sharing. While the SDGs are not legally binding, governments are expected to take ownership and establish national frameworks for the achievement of these “global goals”. Recent evidence, however, indicates slow implementation, and the need for greater efforts across the goals without losing focus on poverty reduction (UN 2019 ).

The SDGs have not thus far elicited the kind of enthusiasm among political leaders that is crucial for the success of such an ambitious agenda. In many countries, there is an on-going and often polarized national debate on the extent to which leaders should prioritise the SDGs rather than goals that are more narrowly defined to apply to local situations (e.g. prioritising allocation of resources to selected regions and targeting selected groups in the population). Most politicians are under enormous pressure to resolve current problems, challenges and deprivations and often do not typically find it politically beneficial to engage in discussions of future problems that could affect a generation that is yet to be born. Similarly, many global policy recommendations often overlook issues of local justice and messy local political realities including competition between groups for control over scarce resources. Thus, the goal of promoting sustainable development today with an eye on the wellbeing of future generations appears illusory for many governments struggling to solve current problems of extreme poverty and numerous forms of deprivation within their borders.

Even when there is ample and reliable scientific evidence pointing to the urgent need for societal transformations required to address the harmful consequences of global warming, political response in large parts of the world is lukewarm. For the SDGs to make a difference on the ground, policymakers must acquire a better understanding on the global norm of goalsetting and balance how global targets link to national and local goals. And a wide range of societal actors must hold their leaders to account for actions as well as inactions. We really must move beyond the rhetoric and the celebratory speeches to actual evidence of operationalisation and impact on the ground.

Achieving SDG 2

There is now increased attention on the staggering societal costs of hunger and the need to radically transform our local, national and international food systems into more sustainable, nutritious and efficient systems. The five essays in this special issue discuss a wide range of issues related to food systems and the ethics and politics of global and national food policies. While there has been growing attention on food insecurity in recent years, two essays draw our attention to famine, which has received far less attention. Olivier Rubin begins by distinguishing the “whispering emergency” of famine from related terms such as malnutrition and chronic hunger. He thereafter critically revisits Peter Singer’s famous famine relief argument from the early 1970s, according to which we have good moral reasons for greater human engagement through charitable actions to prevent mass deaths from hunger. Rubin finds that Singer’s argument, although still powerful, often appears to be disconnected from the contemporary development discourse that is more skeptical to the role of charitable benevolence in famine prevention. Although he agrees that famines ought to evoke a strong moral response, Rubin concludes that the dynamics of recent famines warrant greater attention on the obligation to criminalize famine – how individuals and groups can be more effectively held to account for the failure to prevent starvation deaths.

Alexander Vadala examines the political factors that explain the continued threat of famine in Ethiopia – a particularly interesting case given that the country is not a democracy and has a long history of famines and high levels of malnutrition. But even within Ethiopia, vulnerability to famine remains substantially high among pastoralists in the Afar region. Vadala builds on the Nobel laureate Amartya Sen’s well-known claim that the right to freedom of expression and adversarial media reports in democracies are crucial for preventing famine. Following a critical review of Sen’s entitlement approach, he unpacks the close linkages between food insecurity and pastoralism in Ethiopia. Vadala finds that a set of policy decisions exacerbated pastoral vulnerability, including the closure of the Ethiopia-Eritrea border and the ban on salt trade with Djibouti. The recent initiatives undertaken by the new Ethiopian government under Abiy Ahmed offers some hope, but achieving SDG2 requires that the authorities respect the rights, needs and demands of vulnerable groups.

Jessica Fanzo focuses on why increased attention on healthy and sustainable diets is crucial for achieving SDG2. Although there has been a growing international discourse on what constitutes a “healthy diet”, improving the dietary habits of the world’s population has been extremely challenging. Most countries face some form of malnutrition, and sub-optimal diets are a major cause of various forms of hunger. Fanzo discusses the crucial role of SDG2 in achieving the wider 2030 Agenda for sustainable development and examines the uneven global progress thus far, including potential challenges ahead. She also critically discusses the impact of numerous ethical considerations and inherent trade-offs related to the achievement of sustainable and healthy diets, including the rapid population growth, economic crises, income inequality and climate change.

Although the SDGs are receiving increased international attention, Marc Cohen finds that the global agenda aimed at reducing hunger is characterized by serious policy incoherence. The international discourse is frequently characterized by fancy rhetoric and generous sounding pledges that have not resulted in greater political commitments to ending hunger. While national policies and budgets continue to neglect agriculture and irrigation, the agriculture trade and security policies of influential foreign donor countries also often undercut efforts to strengthen agricultural development in low-income country contexts. Cohen examines the growing gap between words and actions. He concludes that policy incoherence on SDG 2 results from a combination of agricultural subsidies in high-income countries and the resulting dumping of surplus products in aid-recipient countries, an excessive focus on defense spending and arms trade in many parts of the world and ineffective policies aimed at supporting smallholder farmers.

My essay with Michael Chasukwa focuses on the politics of food policy in Malawi – one of the poorest countries in the world. Many low-income countries, including those that are heavily dependent on foreign aid – are struggling to formulate and implement policies aimed at promoting the SDGs. Although Malawi has achieved some success in relation to reducing child mortality and combating HIV/AIDs, food insecurity remains high despite considerable political talk on the need to strengthen the country’s agriculture sector. We focus on a key intervention of the Malawian government in recent years – the Farm Input Subsidy program (FISP) – which is characterized by institutional rivalry, lack of coordination, inadequate financial resources, corruption and poor implementation. Agriculture policy in the country is not only haphazardly formulated and implemented, it is also excessive focused on securing availability of maize at the expense of other crops with the potential of diversifying diets and promoting greater food security.

The five essays in this special issue collectively identify and discuss barriers and challenges to achieving the SDGs in general and SDG 2 in particular. The overall conclusion in recent reports on hunger and food insecurity is that the world is continuing to move further away from achieving SDG 2. And the UN Special Rapporteur on Extreme Poverty and Human Rights (Human Rights Council 2019 ) has recently argued that if the current trend of global warming continues, several hundred million people risk food insecurity with a decline in food production due to crop yield losses. These groups also risk water insecurity and greater risks of malaria, diarrhea and heat stress. An increase in the frequency of droughts and floods and the resulting displacement will have a disproportionate impact on the daily lives of those living in poverty. The enormous scale of world hunger requires us to update our approaches (making them bolder and involving multisectoral collaboration across different policy domains) and ensure that our interventions are better targeted both socially and geographically, taking into account inequality, conflict, gender, climate and economic slowdowns.

Banik, D. and Miklian, J. (2017) “New Business: The Private Sector as a New Global Development Player”, Global Policy, https://www.globalpolicyjournal.com/blog/24/11/2017/new-business-private-sector-new-global-development-player

Business Commission (2017) Better Business Better World, http://report.businesscommission.org/uploads/BetterBiz-BetterWorld_170215_012417.pdf

Doane, D. (2016) “We Won’t Conquer the Mountains of the SDGs Without Humility”, The Guardian, https://www.theguardian.com/global-development-professionals-network/2016/jul/07/sdgs-progress-stay-humble . Accessed 20 Nov 2019

Engebretsen, E., Heggen, K., Banik, D. & Ottersen, O. P. (2017) “The 2030 Agenda for Sustainable Development and the Power of Ambiguities”, https://www.whatworks.uio.no/blog/2018/sdg_responsibility.html

FAO (2019) State of Food Security and Nutrition in the World, http://www.fao.org/3/ca5162en/ca5162en.pdf . Accessed 20 Nov 2019

Human Rights Council (2019) Climate Change and Poverty, https://www.ohchr.org/Documents/Issues/Poverty/A_HRC_41_39.pdf

Jerven, M. (2014) “Benefits and Costs of the Data for Development Targets for the Post-2015 Development Agenda”, Copenhagen Consensus Center, https://www.copenhagenconsensus.com/sites/default/files/data_assessment_-_jerven.pdf

Melamed, C. (2015) “Leaving No One Behind: How the SDGs can Bring About Real Change”, Briefing paper, Overseas Development Institute, https://www.odi.org/sites/odi.org.uk/files/odi-assets/publications-opinion-files/9534.pdf

UN (2014) The Road to Dignity by 2030: Ending Poverty, Transforming All Lives and Protecting the Planet, https://www.un.org/disabilities/documents/reports/SG_Synthesis_Report_Road_to_Dignity_by_2030.pdf

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Banik, D. Achieving Food Security in a Sustainable Development Era. Food ethics 4 , 117–121 (2019). https://doi.org/10.1007/s41055-019-00057-1

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Published : 23 November 2019

Issue Date : December 2019

DOI : https://doi.org/10.1007/s41055-019-00057-1

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• What is Food Security

Based on the 1996 World Food Summit , food security is defined when all people, at all times, have physical and economic access to sufficient safe and nutritious food that meets their dietary needs and food preferences for an active and healthy life.

The four main dimensions of food security:

• Physical availability of food: Food availability addresses the “supply side” of food security and is determined by the level of food production, stock levels and net trade.
• Economic and physical access to food: An adequate supply of food at the national or international level does not in itself guarantee household level food security. Concerns about insufficient food access have resulted in a greater policy focus on incomes, expenditure, markets and prices in achieving food security objectives.
• Food utilization : Utilization is commonly understood as the way the body makes the most of various nutrients in the food. Sufficient energy and nutrient intake by individuals are the result of good care and feeding practices, food preparation, diversity of the diet and intra-household distribution of food. Combined with good biological utilization of food consumed, this determines the nutritional status of individuals.
• Stability of the other three dimensions over time: Even if your food intake is adequate today, you are still considered to be food insecure if you have inadequate access to food on a periodic basis, risking a deterioration of your nutritional status. Adverse weather conditions, political instability, or economic factors (unemployment, rising food prices) may have an impact on your food security status.

For food security objectives to be realized, all four dimensions must be fulfilled simultaneously.

The World Bank Group works with partners to build food systems that can feed everyone, everywhere, every day by improving food security, promoting ‘nutrition-sensitive agriculture’ and improving food safety. The Bank is a leading financier of food systems. In fiscal year 2022, there was US$9.6 billion in new IBRD/IDA commitments to agriculture and related sectors

Activities include:

• Strengthening safety nets to ensure that vulnerable families have access to food and water–and money in their pockets to make vital purchases
• Delivering expedited emergency support by fast-tracking financing through existing projects to respond to crisis situations
• Engaging with countries and development partners to address food security challenges. Instruments include rapid country diagnostics and data-based monitoring instruments and partnerships such as the  Famine Action Mechanism  and the  Agriculture Observatory
• Promoting farming systems that use  climate-smart techniques , and produce a more diverse mix of foods, to improve food systems’ resilience, increase farm incomes and enable greater availability and affordability of nutrient-dense foods
• Improving supply chains to reduce post-harvest food losses, improve hygiene in food distribution channels, and better link production and consumption centers
• Applying an integrated “One Health” approach to managing risks associated with animal, human and environmental health
• Supporting investments in research and development that enable increasing the micronutrient content of foods and raw materials
• Advocating for policy and regulatory reforms to improve the efficiency and integration of domestic food markets and reduce barriers to food trade
• Working with the private sector, government, scientists, and others to strengthen capacities to assess and manage  food safety risks in low and middle-income countries
• Supporting long-term global food security programs: The Bank houses the  Global Agriculture and Food Security Program  (GAFSP) , a global financing instrument that pools donor funds and targets additional, complementary financing to agricultural development across the entire value chain.  Since its launch in 2010 by the G20 in response to the 2007-2008 food price crisis, GAFSP has reached over 13 million smallholder farmers and their families with over $1.3 billion in grant funding to 64 projects in 39 countries, $330 million to 66 agribusiness investment projects in 27 countries, and $13.2 million in small-scale grants to support producer organizations. Most recently, in response to the ongoing COVID-19 pandemic, GAFSP allocated over $55 million of additional grant funding to on-going public sector and producer organization-led projects to support COVID-19 response and recovery.   
• The Bank also supports the  CGIAR  which advances agriculture science and innovation to boost food and nutrition security globally.

Global Food and Nutrition Security Dashboard

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Food security and nutrition and sustainable agriculture

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As the world population continues to grow, much more effort and innovation will be urgently needed in order to sustainably increase agricultural production, improve the global supply chain, decrease food losses and waste, and ensure that all who are suffering from hunger and malnutrition have access to nutritious food. Many in the international community believe that it is possible to eradicate hunger within the next generation, and are working together to achieve this goal.

World leaders at the 2012 Conference on Sustainable Development (Rio+20) reaffirmed the right of everyone to have access to safe and nutritious food, consistent with the right to adequate food and the fundamental right of everyone to be free from hunger. The UN Secretary-General’s Zero Hunger Challenge launched at Rio+20 called on governments, civil society, faith communities, the private sector, and research institutions to unite to end hunger and eliminate the worst forms of malnutrition.

The Zero Hunger Challenge has since garnered widespread support from many member States and other entities. It calls for:

• Zero stunted children under the age of two
• 100% access to adequate food all year round
• All food systems are sustainable
• 100% increase in smallholder productivity and income
• Zero loss or waste of food

The Sustainable Development Goal to “End hunger, achieve food security and improved nutrition and promote sustainable agriculture” (SDG2) recognizes the inter linkages among supporting sustainable agriculture, empowering small farmers, promoting gender equality, ending rural poverty, ensuring healthy lifestyles, tackling climate change, and other issues addressed within the set of 17 Sustainable Development Goals in the Post-2015 Development Agenda.

Beyond adequate calories intake, proper nutrition has other dimensions that deserve attention, including micronutrient availability and healthy diets. Inadequate micronutrient intake of mothers and infants can have long-term developmental impacts. Unhealthy diets and lifestyles are closely linked to the growing incidence of non-communicable diseases in both developed and developing countries.

Adequate nutrition during the critical 1,000 days from beginning of pregnancy through a child’s second birthday merits a particular focus. The Scaling-Up Nutrition (SUN) Movement has made great progress since its creation five years ago in incorporating strategies that link nutrition to agriculture, clean water, sanitation, education, employment, social protection, health care and support for resilience.

Extreme poverty and hunger are predominantly rural, with smallholder farmers and their families making up a very significant proportion of the poor and hungry. Thus, eradicating poverty and hunger are integrally linked to boosting food production, agricultural productivity and rural incomes.

Agriculture systems worldwide must become more productive and less wasteful. Sustainable agricultural practices and food systems, including both production and consumption, must be pursued from a holistic and integrated perspective.

Land, healthy soils, water and plant genetic resources are key inputs into food production, and their growing scarcity in many parts of the world makes it imperative to use and manage them sustainably. Boosting yields on existing agricultural lands, including restoration of degraded lands, through sustainable agricultural practices would also relieve pressure to clear forests for agricultural production. Wise management of scarce water through improved irrigation and storage technologies, combined with development of new drought-resistant crop varieties, can contribute to sustaining drylands productivity.

Halting and reversing land degradation will also be critical to meeting future food needs. The Rio+20 outcome document calls for achieving a land-degradation-neutral world in the context of sustainable development. Given the current extent of land degradation globally, the potential benefits from land restoration for food security and for mitigating climate change are enormous. However, there is also recognition that scientific understanding of the drivers of desertification, land degradation and drought is still evolving.

There are many elements of traditional farmer knowledge that, enriched by the latest scientific knowledge, can support productive food systems through sound and sustainable soil, land, water, nutrient and pest management, and the more extensive use of organic fertilizers.

An increase in integrated decision-making processes at national and regional levels are needed to achieve synergies and adequately address trade-offs among agriculture, water, energy, land and climate change.

Given expected changes in temperatures, precipitation and pests associated with climate change, the global community is called upon to increase investment in research, development and demonstration of technologies to improve the sustainability of food systems everywhere. Building resilience of local food systems will be critical to averting large-scale future shortages and to ensuring food security and good nutrition for all.

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• January 2015 SDG 2 SDG2 focuses on ending hunger, achieving food security and improved nutrition and promoting sustainable agriculture. In particular, its targets aims to: end hunger and ensure access by all people, in particular the poor and people in vulnerable situations, including infants, to safe, nutritious and sufficient food all year round by 2030 (2.1); end all forms of malnutrition by 2030, including achieving, by 2025, the internationally agreed targets on stunting and wasting in children under 5 years of age, and address the nutritional needs of adolescent girls, pregnant and lactating women and older persons (2.2.); double,by 2030, double the agricultural productivity and incomes of small-scale food producers, in particular women, indigenous peoples, family farmers, pastoralists and fishers, including through secure and equal access to land, other productive resources and inputs, knowledge, financial services, markets and opportunities for value addition and non-farm employment (2.3); ensure sustainable food production systems and implement resilient agricultural practices that increase productivity and production, that help maintain ecosystems, that strengthen capacity for adaptation to climate change, extreme weather, drought, flooding and other disasters and that progressively improve land and soil quality (2.4); by 2020, maintain the genetic diversity of seeds, cultivated plants and farmed and domesticated animals and their related wild species, including through soundly managed and diversified seed and plant banks at the national, regional and international levels, and promote access to and fair and equitable sharing of benefits arising from the utilization of genetic resources and associated traditional knowledge, as internationally agreed (2.5); The alphabetical goals aim to: increase investment in rural infrastructure, agricultural research and extension services, technology development and plant and livestock gene banks , correct and prevent trade restrictions and distortions in world agricultural markets as well as adopt measures to ensure the proper functioning of food commodity markets and their derivatives and facilitate timely access to market information, including on food reserves, in order to help limit extreme food price volatility.
• January 2014 Rome Decl. on Nutrition and Framework for Action The Second International Conference on Nutrition (ICN2) took place at FAO Headquarters, in Rome in November 2014. The Conference resulted in the Rome Declaration on Nutrition and the Framework for Action, a political commitment document and a flexible policy framework, respectively, aimed at addressing the current major nutrition challenges and identifying priorities for enhanced international cooperation on nutrition.
• January 2012 Future We Want (Para 108-118) In Future We Want, Member States reaffirm their commitments regarding "the right of everyone to have access to safe, sufficient and nutritious food, consistent with the right to adequate food and the fundamental right of everyone to be free from hunger". Member States also acknowledge that food security and nutrition has become a pressing global challenge. At Rio +20, the UN Secretary-General’s Zero Hunger Challenge was launched in order to call on governments, civil society, faith communities, the private sector, and research institutions to unite to end hunger and eliminate the worst forms of malnutrition.
• January 2009 UN SG HLTF on Food and Nutrition Security The UN SG HLTF on Food and Nutrition Security was established by the UN SG, Mr Ban Ki-moon in 2008 and since then has aimed at promoting a comprehensive and unified response of the international community to the challenge of achieving global food and nutrition security. It has also been responsible for building joint positions among its members around the five elements of the Zero Hunger Challenge.
• January 2002 Report World Food Summit +5 The World Food Summit +5 adopted a declaration, calling on the international community to fulfill the pledge, made at the original World Food Summit in 1996, to reduce the number of hungry people to about 400 million by 2015.
• January 2000 MDG 1 MDG 1 aims at eradicating extreme poverty and hunger. Its three targets respectively read: halve, between 1990 and 2015, the proportion of people whose income is less than $1.25 a day (1.A), achieve full and productive employment and decent work for all, including women and young people (1.B), halve, between 1990 and 2015, the proportion of people who suffer from hunger (1.C).
• January 1996 Rome Decl. on World Food Security The Summit aimed to reaffirm global commitment, at the highest political level, to eliminate hunger and malnutrition, and to achieve sustainable food security for all. Thank to its high visibility, the Summit contributed to raise further awareness on agriculture capacity, food insecurity and malnutrition among decision-makers in the public and private sectors, in the media and with the public at large. It also set the political, conceptual and technical blueprint for an ongoing effort to eradicate hunger at global level with the target of reducing by half the number of undernourished people by no later than the year 2015. The Rome Declaration defined seven commitments as main pillars for the achievement of sustainable food security for all whereas its Plan of Action identified the objectives and actions relevant for practical implementation of these seven commitments.
• January 1992 1st ICN The first International Conference on Nutrition (ICN) convened at the FAO's Headquarters in Rome to identify common strategies and methods to eradicate hunger and malnutrition. The conference was organized by the Food and Agriculture Organization (FAO) and the World Health Organization (WHO) and was attended by delegations from 159 countries as well as the European Economic Community, 16 United Nations organizations, 11 intergovernmental organizations, and 144 non-governmental organizations.
• January 1986 Creation of AGROSTAT (now FAOSTAT) Since 1986, AGROSTAT, now known as FAOSTAT, has provided cross sectional data relating to food and agriculture as well as time-series for some 200 countries.
• January 1979 1st World Food Day World Food Day is celebrated each year on 16 October to commemorate the day on which FAO was founded in 1945. Established on the occasion of FAO Twentieth General Conference held in November 1979, the first World Food Day was celebrated in 1981 and was devoted to the theme "Food Comes First".

Three challenges and three opportunities for food security in Eastern and Southern Africa

Holger kray, shobha shetty, pierre-olivier colleye.

Eastern and Southern Africa— home to over 656 million people, many of whom are poor and face significant challenges accessing adequate, safe, and nutritious food every day— has some of the most vulnerable food systems in the world.

The recently approved Food Systems Resilience Program for Eastern and Southern Africa will help tackle the underlying structural challenges of food insecurity and address the vulnerability to unpredictable shocks.

Madagascar, where 7.8 million people are facing food insecurity, and Ethiopia, where up to 22.7 million people are food insecure, will benefit from the first phase of the project. Both countries are experiencing historically severe droughts, exacerbated by climate change. 

The program directly responds to three food security challenges facing the region and taps into three opportunities to improve the resilience of food systems for stronger, healthier communities.

Three Challenges Facing Food Security

• Climate Shocks to Food Systems : Since 2019, extreme weather, conflict, and the COVID-19 pandemic have pushed nearly 50 million additional people into acute food insecurity across Sub-Saharan Africa. In addition, while climate-induced shocks to the food system used to occur one in every 12 years on average, they are now occurring about every 2.5 years. This is too frequent for countries, regions, or farms to sufficiently recover between the shocks, making investments in building food systems resilience key to enabling the region to respond to challenges more quickly and effectively.
• Global Price Shocks : Countries in Eastern and Southern Africa are also affected by global shocks to food systems— including volatility in commodity markets, increases in energy and fertilizer prices, trade disruptions, and the ongoing events unfolding in Ukraine. These shocks have led to steep increases in food prices throughout the region and increased food insecurity as families struggle to stretch their incomes. 

• Undernourishment : Food security is not just about famine or acute hunger, it is also about longer-term undernourishment that leads to poor health outcomes. Across Eastern and Southern Africa, the share of undernourished people is increasing, from 21% in 2019 to over 25% in 2020, with serious consequences for the health and wellbeing of people in the region. Madagascar faces chronic food insecurity and the highest malnutrition rates in Africa. Almost half of the country’s children under five are stunted, and about one-quarter of its population is undernourished. In Ethiopia, women and children are most affected, and an estimated 44% of children are stunted. Quite often, in crisis situations, it is dietary diversity that is being compromised first.

Opportunities for Action

Despite challenging circumstances, enhancing the resilience of food systems in the Eastern and Southern Africa offers real opportunities to not only tackle food insecurity and ensure that everyone has enough to eat, but to also generate more jobs, promote trade, and enhance resilience.

• Jobs! The agricultural and food sector remains a significant source of economic growth and job creation, accounting for nearly 15% of the GDP of countries in Eastern and Southern Africa in 2020. As much as 59% of the region’s population was employed in agriculture in 2019, and in some countries, even larger shares were: 86% in Burundi, 80% in Somalia, 76% in Malawi, 70% in Mozambique, and 66% in Ethiopia and Zimbabwe. Enhancing the agricultural sector, therefore, has enormous potential to improve the incomes and opportunities of people across the region.  And when people have stable jobs, they are better able to cope with shocks without dipping into money needed for food.
• Trade! Demand for food products is expected to increase significantly over the coming decades as the population grows and cities expand. Presently, the food and beverages industry accounts for 38% of GDP in Eastern and Southern Africa. By 2050, the industry is expected to see an 800% increase in the value of food, and trade in processed foods could increase by up to 90%.  Moreover, increased trade doesn’t just expand business opportunities, it also helps stabilize food availability and access across the region.  When one country experiences a climate shock, for example the current drought in the Horn of Africa or the frequent cyclones that hit Madagascar, other countries can boost their exports to fill the gaps. 
• Resilience! There is significant potential to enhance agricultural productivity and climate resilience through innovation. In Eastern and Southern Africa, agricultural productivity could increase by up to 2–3 times if better farm inputs and production technologies are adopted, if water and soil resources were used more efficiently, and if natural capital and ecosystems were restored. Digital tools for monitoring climate risks can identify the onset of climatic shocks before they happen and facilitate responses for building resilience. Automated irrigation systems, soil sensors, and drones can boost efficiency in production.

World Bank Action

With these challenges and opportunities in mind, the Food Systems Resilience Program for Eastern and Southern Africa will provide a range of support, from restoring agricultural production capacity, to improving the management of natural resources, getting food to the consumers, and streamlining resilience in national and regional policymaking.

What other challenges or opportunities do you see? Let us know in the comments!

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Food systems, food security and nutrition

As the food and nutrition security situation deteriorates in many parts of the world, it is more important than ever to provide evidence and tools to assess and address the challenges. Through the Food Crisis Prevention Network (RPCA), SWAC/OECD provides a critical space for policy dialogue and co-ordination for the Sahel and West Africa region. At the same time, food systems are changing rapidly. West Africa’s population is projected to grow from 400 million in 2020 to 540 million in 2030, with two-thirds of the increase taking place in urban areas, where incomes are relatively higher. We analyse and engage with policy makers on how these structural forces are transforming food production, purchasing and consumption patterns.

• Healthy diets, costs and food policies in the Sahel and West Africa
• Socio-economic and political environment and its impact on food and nutrition security

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Key messages, empowering west africa with evidence-based knowledge on food security.

For four decades, the SWAC/OECD Secretariat, in partnership with the Economic Community of West African States (ECOWAS), the West African Economic and Monetary Union (UEMOA) and the Permanent Interstate Committee for Drought Control in the Sahel (CILSS), has facilitated the Food Crisis Prevention Network (RPCA). The RPCA is a platform for policy dialogue and co-ordination. The network provides data and evidence-based analysis on food and nutrition security for 17 countries in the Sahel and West Africa, as well as for ECOWAS, UEMOA, CILSS, technical and financial partners, and regional and international civil society stakeholders. Network members meet twice a year to discuss policy issues related to food crises.  

SWAC is a vehicle for the OECD to invest in food security tools, evidence generation and policy dialogue to address these challenges. New factors are exacerbating these crises, including rampant inflation, security crises in some Sahel countries, and the adverse effects of climate change in the region. The RPCA has established a platform dialogue based on a comprehensive framework for analysing food security and nutrition in the Sahel and West Africa, including a cycle of analysis, a code of conduct (Charter) and tools for prevention, management and governance. Countries in West Africa and the Sahel, together with partners, are stepping up their efforts to address the increasingly complex challenges of food security and nutrition. This shift aims to improve countries' preparedness to effectively prevent and manage food crises, while building the resilience of communities to such challenges.

Analysing the drivers of rapidly changing food systems in West Africa

West Africa's population is growing rapidly, especially in urban areas, and is getting most of its food from markets. Consumers have more money and less time to cook and prepare food. This is driving rapid changes in food systems as West Africans demand more diverse and higher-value foods: processed, animal-based, fruits and vegetables. These changes represent a challenge to access adequate and healthy diets, but also an opportunity for the two-thirds of West Africans who work in the food economy. SWAC/OECD explores these changing patterns through a series of notes and reports on urbanisation, healthy diets and the changing food environment.

Intra-regional food trade is a key driver of agricultural development, food security and regional integration in West Africa. It moves food from areas of production to centres of demand, builds food and nutrition resilience, and stimulates investment and job creation in all segments of the food economy. Yet it is largely absent from regional and national policy debates and remains hampered by constraining policies such as non-tariff barriers and underinvestment in transport and marketing infrastructure. This is partly due to a lack of data on its true size and composition. Much of the region's food trade is unaccounted for, either because it is not recorded by customs officials or because it takes place through informal crossings. A better understanding of intra-regional food trade is also becoming increasingly important as countries in the region begin to implement the African Continental Free Trade Area (AfCFTA). To address this, SWAC/OECD is providing evidence on intra-regional food trade and informing trade facilitation policies in the ECOWAS region. 

Meanwhile, global and local shocks such as COVID, Russia's war of aggression against Ukraine , insecurity and exchange rate devaluations have exacerbated food price inflation, but also its variation and volatility across time, space and food groups. Food prices in the region are already structurally high - 30% to 40% above their level in comparable economies - and households allocate a very large share of their budget to food, in the range of 40% to 50%. This makes it crucial to have good evidence on the drivers and dynamics of food prices across the region, but also across different markets and products, in order to anticipate impacts on food and nutrition security and to inform food and agricultural policies. SWAC/OECD is a member of the CILSS-led Observatory on Regional Markets and is leading the analysis of spatial variation in food prices across markets in the region.  

Food insecurity remains a major challenge in the Sahel and West Africa

The number of people facing food insecurity is estimated at 35.3 million in April 2024, up from 30.3 million in April 2019. Moreover, without appropriate action, 126.5 million people currently under pressure could fall into food crisis during the lean season in 2024, particularly in Nigeria (82.6 million), Niger (7.3 million) and Burkina Faso (5.2 million). Acute malnutrition also persists, affecting some 16.7 million children under five in the region. 

The deterioration in food insecurity and acute malnutrition remains a cause for concern.

Between April 2019 and April 2024, the number of people affected by the food crisis multiplied by seven, soaring from 5 to 35.3 million. Insecurity and inflation exacerbate the crisis. The adverse effects of climate change continue to negatively impact the region's food systems, in particular through significant disruptions in rainfall patterns, reduced productivity of certain crops and reduced fertility of certain livestock species.

Urbanisation is driving food consumption in West Africa, with demand exceeding USD 1 billion in many urban centres

Between 1950 and 2015, West Africa’s population grew from 73 million to 367 million inhabitants. Over the same period, the urban population increased from 5 million to 169 million. While cities and towns drive the demand for food, they do not produce their own food and rely heavily on markets: urban centres account for 67% of total food demand in the region and more than 90% of food in cities is purchased from markets. Urban areas therefore act as a magnet for regional production, while at the same time acting as hubs for the spatial organisation of food trade and markets.

Two-thirds of West Africans make their living from the food economy

Twenty-two percent of food workers are involved in off-farm activities such as retailing, marketing and processing. Driven by population growth, urbanisation and rising incomes, the regional food market is expanding. In response, an increasing number of West Africans are involved in food processing and marketing, both nationally and regionally. Regional food trade has historically been undervalued - both in official statistics and policy frameworks - but it represents an opportunity to harness the potential of the food economy and generate employment and income for millions of West Africans. 

There are significant regional differences in the cost of the foods that make up a healthy diet.

The cost of food in West Africa is strongly influenced by the local context: agro-climatic and economic conditions, infrastructure, distance and isolation. For example, animal foods account for 50% of the healthy diet on average in countries in the region, but the middle 50% of values range from 19% to 34%. The variation within countries is likely to be as great, if not greater, than between countries. Food prices are also highly seasonal. The variety of spatial drivers of food prices underlines the importance of location- and product-specific information on food markets in the region. 

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Food Security: Challenges and Solutions

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Home — Essay Samples — Science — Food Safety — Global Food Insecurity: Causes And Solutions

Global Food Insecurity: Causes and Solutions

• Categories: Food Safety World Food Crisis

About this sample

Words: 2149 |

11 min read

Published: May 17, 2022

Words: 2149 | Pages: 5 | 11 min read

Table of contents

Introduction, section i. background, section ii. technologies that can reduce hunger and improve food security, section iii. specific factors in chosen developing country.

• Chad de Guzman. 2018. CNN Philippines. Philippines food security ranking goes up. Retrieved from https://cnnphilippines.com/news/2018/10/18/Global-Food-Security-Index-2018-Philippines.html
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• Bread for the World. 2020. About Hunger. Who Experiences Hunger. Retrieved from https://www.bread.org/who-experiences-hunger
• World Food Programme. Philippines: World Food Programme Clarification on Yolanda Response Funds. Retrieved from https://www.wfp.org/news/wfp-statement-yolanda-reponse-funds
• Bill Gates. 2017. The tech solutions to end global hunger. Retrieved from https://www.cnn.com/2017/02/23/health/tech-apps-solving-global-hunger-famine/index.html
• iCow. 2020. We aim to secure food production. Retrieved from https://www.icow.co.ke/
• WordPress. 2020. Kilimo Salama. Since we cannot control the weather. Retrieved from https://kilimosalama.wordpress.com/about/
• Grameen Foundation. 2020. The end of poverty is finally within reach. Retrieved from https://grameenfoundation.org/?url=https://grameenfoundation.org/&gclid=Cj0KCQiAkKnyBRDwARIsALtxe7iX8k7sJWnhLUIi7-zh8cEXVS_OvdMq4hAD4Hq9n-rW4O3wM2oniP0aAgo3EALw_wcB
• Kiko Pangilinan. 2016. P-Noy Becoming a Farmer Upon Retirement a Big Boost to PH Farmers, Agriculture. Retrieved from https://kikopangilinan.com/2016/03/18/pangilinan-p-noy-becoming-a-farmer-upon-retirement-a-big-boost-to-ph-farmers-agriculture/
• OXFAM. 2020. The power of people against poverty. Retrieved from https://philippines.oxfam.org/
• Investopedia. 2019. How Corruption Affects Emerging Economies. Retrieved from https://www.investopedia.com/articles/investing/012215/how-corruption-affects-emerging-economies.asp

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Here’s What the Court’s Chevron Ruling Could Mean in Everyday Terms

The decision is expected to prompt a rush of litigation challenging regulations across the entire federal government, from food safety to the environment.

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The challenges and strategies of food security under global change.

1. The Challenges of Food Security

2. wars and conflicts as enhancers of food insecurity risks, 3. prospects and future challenges, acknowledgments, conflicts of interest.

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Share and Cite

Guiné, R.P.F. The Challenges and Strategies of Food Security under Global Change. Foods 2024 , 13 , 2083. https://doi.org/10.3390/foods13132083

Guiné RPF. The Challenges and Strategies of Food Security under Global Change. Foods . 2024; 13(13):2083. https://doi.org/10.3390/foods13132083

Guiné, Raquel P. F. 2024. "The Challenges and Strategies of Food Security under Global Change" Foods 13, no. 13: 2083. https://doi.org/10.3390/foods13132083

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